Spermatophytes (seed plants): Gymnosperms (non-flowering plants): Conifers: Cupressales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/8/20):
Thuja occidentalis
FAMILY
Cupressaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Thuja from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Thuja occidentalis
FAMILY
Cupressaceae
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 018-02-001:
Thuja occidentalis FAMILY Cupressaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Thuja occidentalis
COMMON NAME:
American Arborvitae, Northern White Cedar, Flat Cedar, Eastern Arborvitae
To see larger pictures, click or hover over the thumbnails.
JK Marlow jkm070629_002
June Spartanburg County SC
Hatcher Garden
Branchlets flattened in horizontal planes [T. orientalis's are vertical], per Weakley's Flora (2015).
COMPARE
conifers (not including Pines)
JK Marlow jkm120830_299b
August Henderson County NC
Holmes Educational Forest
The small branchlets look as if they had been ironed or pressed, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
JK Marlow jkm120830_299c
August Henderson County NC
Holmes Educational Forest
Leaves opposite, scale-like, in pairs (the side pairs keeled, others flat), per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
JK Marlow jkm090924_204
September Hancock County ME
Acadia National Park
Mature seed cones ~ 1/2" long, oblong, erect, initially yellowish-brown, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/8/20):
Thuja occidentalis
FAMILY
Cupressaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Thuja occidentalis
FAMILY
Cupressaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 018-02-001:
Thuja occidentalis
FAMILY
Cupressaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Thuja occidentalis